The Telegraph reports that the baby was delivered at St. Mary's Medical Centre in West Palm Beach, near the 35-year-old’s home.

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Serena famously bore all to Vanity Fair in a revealing photoshoot back in June.

It was revealed that the star was three weeks pregnant when she beat her sister Venus to win the Australian Open back in January, and the 23-time grand slam champion said she hopes to return for the Australian Open next year.

'I am looking forward to becoming a mother and coming back to the courts already,' she told The Telegraphearlier this year. 'I’m always thinking about what’s next: the next victory, the next trophy.'